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12-benzoyloxy-7-isopropoxycarbonylmethyl-9-oxo-9,11-dihydro-indolizino[1,2-b]quinoline-8-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

61659-83-4

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61659-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61659-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,6,5 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 61659-83:
(7*6)+(6*1)+(5*6)+(4*5)+(3*9)+(2*8)+(1*3)=144
144 % 10 = 4
So 61659-83-4 is a valid CAS Registry Number.

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